apt-get update && apt-get install -y wget
wget --header "Cookie: oraclelicense=accept-securebackup-cookie" http://download.oracle.com/otn-pub/java/jdk/9.0.4+11/c2514751926b4512b076cc82f959763f/jdk-9.0.4_linux-x64_bin.tar.gz -O jdk.tar.gz
tar -xzf jdk.tar.gz -C /opt/
mv /opt/jdk-9.0.4 /opt/jdk